SOLUTION: What quantity x of a 75% acid solution must be mixed with a 25% solution to produce 500 mL of a 40% solution? Amount x=

SOLUTION: What quantity x of a 75% acid solution must be mixed with a 25% solution to produce 500 mL of a 40% solution? Amount x=

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Question 260701: What quantity x of a 75% acid solution must be mixed with a 25% solution to produce 500 mL of a 40% solution?
Amount x=
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
x-Amount of 75% solution
y-Amount of 25% solution
1.
2.
From eq. 1,

Substitute into eq. 2,

Then from eq. 1,

Use 150ml of 75% solution and 350ml of 25% solution.
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